Removed unused listener
Restored anonymous authentication listener
Use annotations for core listeners
Merge branch 'master' of https://github.com/claroline/Claroline
Fixed undefined variable bug
Fixed wrong event name
Use strict comparisons
Fixed broken test
Removed unnecessary cache resets
Merge branch 'master' of https://github.com/claroline/Claroline

Conflicts:
	src/core/Claroline/CoreBundle/Resources/config/services/listeners.yml
Submodule update